Established in 1833, Frank B Mason and Co. are a well known and respected estate agent selling property in Pembrokeshire for over a hundred and fifty years. (Now with 5 offices throughout the county.) the original business started in 1833 and was acquired soon afterwards by Richard Mason. back then the business was mainly concerned in printing, property, lettings and financing. Richard Mason left the business to his son Frank britten Mason (pictured) who took over in the early 1900s.